CVE-2021-39859
Medium
Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Adobe Acrobat Dc
PublishedSep 6, 2023
First seenSep 6, 2023
Weakness typeCWE-416Use after free
How to fix
Update
- adobe acrobat17.011.30202, 20.004.30015 or later
- adobe acrobat_reader17.011.30202, 20.004.30015 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| adobe acrobat_dc | 15.007.20033 ≤ v ≤ 21.005.20060, 15.007.20033 ≤ v ≤ 21.005.20058 | — |
| adobe acrobat_reader_dc | 15.007.20033 ≤ v ≤ 21.005.20060, 15.007.20033 ≤ v ≤ 21.005.20058 | — |
| adobe acrobat | 17.011.30180 ≤ v < 17.011.30202, 20.001.30005 ≤ v < 20.004.30015 | 17.011.30202, 20.004.30015 |
| adobe acrobat_reader | 17.011.30180 ≤ v < 17.011.30202, 20.001.30005 ≤ v < 20.004.30015 | 17.011.30202, 20.004.30015 |
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